51147033 has 48 divisors (see below), whose sum is σ = 85264704. Its totient is φ = 27095040.

The previous prime is 51147029. The next prime is 51147037. The reversal of 51147033 is 33074115.

It is an interprime number because it is at equal distance from previous prime (51147029) and next prime (51147037).

It is not a de Polignac number, because 51147033 - 2² = 51147029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51146994 and 51147012.

It is not an unprimeable number, because it can be changed into a prime (51147037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242298 + ... + 242508.

It is an arithmetic number, because the mean of its divisors is an integer number (1776348).

Almost surely, 2^51147033 is an apocalyptic number.

It is an amenable number.

51147033 is a deficient number, since it is larger than the sum of its proper divisors (34117671).

51147033 is a wasteful number, since it uses less digits than its factorization.

51147033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 51147033 is about 7151.7153886323. The cubic root of 51147033 is about 371.1990150937.

The spelling of 51147033 in words is "fifty-one million, one hundred forty-seven thousand, thirty-three".